MMSI · Merit Medical Systems Inc · Shareholders & Ownership
Every disclosed holder of MMSI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns MMSI
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 62,636,873 | 104.90% |
| Insiders (Forms 3, 4, 5) | 1,592,560 | 2.67% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 4,519,013 | -7.57% |
| Registered funds (N-PORT, not summed) | 29,906,275 | 50.09% |
Shares outstanding: 59,710,420, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of MMSI
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,464,542 | ||
| 1.1 |
iShares Core S&P Small-Cap ETF
Fund
S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,594,079 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,555,862 | ||
| 1.3 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
500,684 | ||
| 1.4 |
iShares S&P Small-Cap 600 Growth ETF
Fund
S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
338,084 | ||
| 1.5 |
iShares S&P Small-Cap 600 Value ETF
Fund
S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
190,048 | ||
| 2 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,473,833 | ||
| 3 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,590,454 | ||
| 4 |
|
2,474,512 | ||
| 4.1 |
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund
S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
545,703 | ||
| 4.2 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund
S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
216,135 | ||
| 4.3 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund
S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
113,367 | ||
| 4.4 |
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF
Fund
S000012330 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
37,092 | ||
| 4.5 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
25,300 | ||
| 5 |
Conestoga Capital Advisors, LLC
13F
CIK 1163744 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,979,790 | ||
| 5.1 |
CONESTOGA SMALL CAP FUND
Fund
S000004756 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
|
958,075 | ||
| 5.2 |
CONESTOGA SMID CAP FUND
Fund
S000043859 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
|
192,433 | ||
| 6 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,802,360 | ||
| 7 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,625,950 | ||
| 8 |
FULLER & THALER ASSET MANAGEMENT, INC.
13F
CIK 1082327 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,613,002 | ||
| 9 |
FULLERTHALER BEHAVIORAL SMALL CAP EQUITY
Fund
S000051163 · Registered fund · Jun 30, 2026
Capitol Series Trust, not summed
|
1,543,773 | ||
| 10 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,458,823 | ||
| 10.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
264,473 | ||
| 10.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
198,844 | ||
| 10.3 |
U.S. Targeted Value Portfolio
Fund
S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
124,911 | ||
| 10.4 |
Dimensional U.S. Targeted Value ETF
Fund
S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
114,374 | ||
| 10.5 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
105,351 | ||
| 11 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,299,239 | ||
| 12 |
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F
CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,279,152 | ||
| 12.1 |
Nomura Small Cap Core Fund
Fund
S000002400 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
|
579,560 | ||
| 12.2 |
Nomura Small Cap Value Fund
Fund
S000002401 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
|
279,898 | ||
| 12.3 |
Nomura VIP Small Cap Value Series
Fund
S000002475 · Registered fund · Jun 30, 2026
Delaware VIP Trust, not summed
|
189,300 | ||
| 13 |
CONGRESS ASSET MANAGEMENT CO
13F
CIK 897378 · Registered investment adviser · Sep 30, 2026
|
1,260,675 | ||
| 13.1 |
Congress Small Cap Growth Fund
Fund
S000058028 · Registered fund · Jul 31, 2026
Professionally Managed Portfolios, not summed
|
605,000 | ||
| 14 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,137,790 | ||
| 14.1 |
William Blair Small Cap Growth Fund
Fund
S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
265,190 | ||
| 14.2 |
William Blair Small-Mid Cap Core Fund
Fund
S000066499 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
44,806 | ||
| 14.3 |
William Blair Growth Fund
Fund
S000008594 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
14,932 | ||
| 15 |
|
1,126,457 | ||
| 16 |
Greenhouse Funds LLLP
13F
CIK 1626220 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,072,098 | ||
| 17 |
|
1,022,497 | ||
| 18 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,012,810 | ||
| 18.1 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
653,003 | ||
| 18.2 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
306,848 | ||
| 18.3 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
231,720 | ||
| 18.4 |
Fidelity Advisor Small Cap Fund
Fund
S000005115 · Registered fund · May 31, 2026
Fidelity Advisor Series I, not summed
|
206,200 | ||
| 18.5 |
Fidelity Small Cap Discovery Fund
Fund
S000055370 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
|
126,100 | ||
| 19 |
WESTWOOD HOLDINGS GROUP INC
13F
CIK 1165002 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,011,377 | ||
| 20 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,006,891 | ||
| 20.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
89 | ||
| 21 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,002,168 | ||
| 22 |
MAVERICK CAPITAL LTD
13F
CIK 934639 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
978,617 | ||
| 23 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
958,736 | ||
| 23.1 |
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund
S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
462,282 | ||
| 23.2 |
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund
S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
82,840 | ||
| 23.3 |
T. Rowe Price Extended Equity Market Index Fund
Fund
S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
9,101 | ||
| 23.4 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
9,024 | ||
| 23.5 |
T. Rowe Price Total Equity Market Index Fund
Fund
S000002091 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
3,388 | ||
| 24 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
909,863 | ||
| 25 |
ROYAL BANK OF CANADA
13F
CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
826,944 | ||
| 26 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
750,481 | ||
| 27 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
743,937 | ||
| 27.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
285,167 | ||
| 27.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
145,328 | ||
| 27.3 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
74,919 | ||
| 27.4 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
37,243 | ||
| 27.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
34,888 | ||
| 28 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
711,160 | ||
| 29 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
709,267 | ||
| 29.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
30,288 | ||
| 29.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
7,886 | ||
| 29.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,106 | ||
| 30 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
684,873 | ||
| 31 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
679,195 | ||
| 31.1 |
MFS New Discovery Fund
Fund
S000000765 · Registered fund · May 31, 2026
MFS SERIES TRUST I, not summed
|
444,414 | ||
| 31.2 |
MFS New Discovery Series
Fund
S000002680 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
|
182,828 | ||
| 31.3 |
MFS Global Alternative Strategy Fund
Fund
S000019515 · Registered fund · Jul 31, 2026
MFS Series Trust XV, not summed
|
1,407 | ||
| 32 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
644,037 | ||
| 33 |
|
594,794 | ||
| 33.1 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
274,425 | ||
| 33.2 |
Nuveen Small Cap Select Fund
Fund
S000005569 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
|
83,307 | ||
| 33.3 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
79,156 | ||
| 33.4 |
Nuveen Quant Small/Mid Cap Equity Fund
Fund
S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
62,330 | ||
| 33.5 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
54,703 | ||
| 34 |
Irenic Capital Management LP
13F
CIK 1929389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
542,589 | ||
| 35 |
Aberdeen Group plc
13F
CIK 1716774 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
538,196 | ||
| 35.1 |
abrdn U.S. Small Cap Equity Fund
Fund
S000020297 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
|
121,768 | ||
| 35.2 |
abrdn Focused U.S. Small Cap Active ETF
Fund
S000088604 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
|
3,718 | ||
| 36 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
534,412 | ||
| 37 |
WELLS FARGO & COMPANY/MN
13F
CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
523,502 | ||
| 38 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
508,223 | ||
| 38.1 |
Goldman Sachs Small Cap Value Insights Fund
Fund
S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
41,079 | ||
| 38.2 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
11,832 | ||
| 38.3 |
Goldman Sachs Multi-Manager Global Equity Fund
Fund
S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
|
2,186 | ||
| 38.4 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
1,409 | ||
| 39 |
|
495,598 | ||
| 40 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
CIK 928047 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
484,435 | ||
| 40.1 |
Small Cap Core Fund
Fund
S000043450 · Registered fund · Jul 31, 2026
John Hancock Investment Trust, not summed
|
322,867 | ||
| 40.2 |
Small Cap Dynamic Growth Fund
Fund
S000003363 · Registered fund · May 31, 2026
John Hancock Funds II, not summed
|
29,375 | ||
| 40.3 |
John Hancock Multifactor Small Cap ETF
Fund
S000059464 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
|
22,548 | ||
| 41 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
473,409 | ||
| 41.1 |
Oberweis Small-Cap Opportunities Fund
Fund
S000010232 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
401,700 | ||
| 41.2 |
Oberweis Global Opportunities Fund
Fund
S000010230 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
8,700 | ||
| 42 |
Boston Trust Walden Corp
13F
CIK 1534866 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
472,856 | ||
| 43 |
FRONTIER CAPITAL MANAGEMENT CO LLC
13F
CIK 351173 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
468,540 | ||
| 44 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
464,201 | ||
| 44.1 |
AQR Small Cap Multi-Style Fund
Fund
S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
17,004 | ||
| 44.2 |
AQR Small Cap Momentum Style Fund
Fund
S000025644 · Registered fund · Mar 31, 2026
AQR Funds, not summed
|
2,701 | ||
| 45 |
NOMURA HOLDINGS INC
13F
CIK 1163653 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
440,736 | ||
| 46 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
434,687 | ||
| 47 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
410,578 | ||
| 47.1 |
BNY Mellon US Small Cap Core Equity ETF
Fund
S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
2,237 | ||
| 48 |
Champlain Investment Partners, LLC
13F
CIK 1315478 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
403,922 | ||
| 48.1 |
Champlain Small Company Fund
Fund
S000005803 · Registered fund · Jun 30, 2026
ADVISORS' INNER CIRCLE FUND II, not summed
|
160,000 | ||
| 49 |
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund
S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
|
397,984 | ||
| 50 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
397,613 |
70 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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